martin being over mr. zimmerman. >> is it not also consistent with mr. martin pulling away from zimmerman on the ground, and at the same angle he is pulling away and zimmerman is shooting? >> yes. >> the jury will have to decide which version the evidence supports. deliberations could begin at the end of this week. >> they could introduce evidence that trace amounts of thc was found in trayvon martin's system at his death. it was not part of the testimony today, but could the before the end of the trial. jay gray, wbal-tv 11 news. >> as jay gray just reported the evidence the trayvon martin had thc in his system was not brought up in court today. it is unknown whether the defense will or will not use that evidence. lowell melser folk with attorneys and drug experts to find out why. >> legal experts tell us here at 11 news well this is a big victory for the defense, it does not mean the state's case is done by any means. substance abuse experts feel that the case has the potential to take a rather interesting turn now. >> i think it is the most important